A redundant heat sink module can include a first independent coolant pathway and a second independent coolant pathway. The first independent coolant pathway can include a first inlet chamber, a first outlet chamber, and a first plurality of orifices extending from the first inlet chamber to the first outlet chamber and providing a first plurality of impinging jet streams of coolant against a first region of a surface to be cooled when pressurized coolant is provided to the first inlet chamber. The second independent coolant pathway can include a second inlet chamber, a second outlet chamber, and a second plurality of orifices extending from the second inlet chamber to the second outlet chamber and providing a second plurality of impinging jet streams of coolant against a second region of the surface to be cooled when pressurized coolant is provided to the second inlet chamber.
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2. The redundant heat sink module of claim 1, wherein the first plurality of orifices have an average jet height of about 0.01-0.75, 0.05-0.5, 0.05-0.25, 0.020-0.25, 0.03-0.125, or 0.04-0.08 in.
3. The redundant heat sink module of claim 1, wherein the first plurality of orifices have an average diameter of about 0.001-0.020, 0.001-0.2, 0.001-0.150, 0.001-0.120, 0.001-0.005, 0.020-0.045, 0.030-0.050 in, or 0.040 in.
4. The redundant heat sink module of claim 1, wherein at least one of the plurality of orifices has a diameter of 0.035-0.06 in.
5. The redundant heat sink module of claim 1, wherein the first coolant pathway comprises a hydrofoil located upstream of the first inlet chamber, the hydrofoil comprising a curved surface.
6. The redundant heat sink module of claim 1, wherein the first outlet chamber is adjacent to the second outlet chamber.
7. The redundant heat sink module of claim 1, wherein the first inlet chamber decreases in cross-sectional area in a direction of flow, and wherein the first outlet chamber increases in cross-sectional area in the direction of flow.
8. The redundant heat sink module of claim 1, further comprising a flow-guiding lip proximate an exit of the first outlet chamber, the flow-guiding lip comprising a surface having an angle of less than about 45 degrees with respect to a bottom plane of the redundant heat sink module.
9. The redundant heat sink module of claim 1, wherein the first plurality of orifices have an average diameter of D and an average length of L, and wherein L divided by D is greater than or equal to one or about 1-10, 1-8, 1-6, 1-4, or 1-3.
11. The apparatus of claim 10, wherein the thermally conductive base member is a metallic base plate.
12. The apparatus of claim 10, wherein the thermally conductive base member is a heat pipe comprising a sealed vapor cavity.
14. The redundant heat sink module of claim 13, wherein the first plurality of orifices are arranged at an angle of about 20-80, 30-60, 40-50, or 45 degrees with respect to a bottom plane of the redundant heat sink module.
15. The redundant heat sink module of claim 13, wherein the first plurality of orifices have an average diameter of 0.015-0.2 in.
16. The redundant heat sink module of claim 13, wherein the first plurality of orifices have an average diameter of 0.035-0.06 in.
17. The redundant heat sink module of claim 13, wherein the first plurality of orifices have an average diameter of 0.025-0.08 in.
18. The redundant heat sink module of claim 13, wherein the first plurality of orifices are arranged in an array, the array being organized into staggered columns and staggered rows such that a given orifice in a given column and a given row does not have a corresponding orifice in a neighboring row in the given column or a corresponding orifice in a neighboring column in the given row.
19. The redundant heat sink module of claim 13, wherein the first independent coolant pathway further comprises an upwardly angled inlet port fluidly connected to the first inlet chamber, wherein the upwardly angled inlet port has a central axis that defines an angle of about 10-80, 20-70, 30-60, or 40-50 degrees with respect to a bottom plane of the redundant heat sink module.
20. The redundant heat sink module of claim 13, wherein the first inlet chamber has a volume of about 0.01-0.02, 0.01-0.05, 0.04-0.08, 0.07-0.15, 0.1-0.2, 0.15-0.25, 0.2-0.4, 0.3-0.5 in3.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
December 12, 2018
February 20, 2024
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